Mercury-The planet Mercury is the closest planet to the Sun, yet it isn't the hottest because it literally has no atmosphere.
-Average distance from the Sun: 36 million miles (58 million kilometers)
-Diameter: 3032 miles (4880km)
-Rotation: 58.56 days
-Orbital period: 88 days
-Mean temperature: 333F (167C)
-Axial tilt: .01 degrees
-Gravity 12.1 ft/s^2 (3.7m/s^2)